Home / 185,973.39-256,643.45-101,090.45

Finding the Fourth Proportional to 185,973.39, 256,643.45 and 101,090.45

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Solution

The fourth proportional to 185,973.39, 256,643.45 and 101,090.45 is: 139,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,973.39 : 256,643.45 = 101,090.45 : x
  2. Step 2: Convert to fraction form
    185,973.39/256,643.45 = 101,090.45/x
  3. Step 3: Cross multiply
    185,973.39x = 256,643.45 × 101,090.45
  4. Step 4: Simplify right side
    185,973.39x = 25,944,201,850.05
  5. Step 5: Solve for x
    x = 25,944,201,850.05/185,973.39
  6. Step 6: Final answer
    x = 139,504.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.